20403+5413
- Unique Name: 20403+5413OSO 129AB
- RA: 20 40 16.69
- Dec: +54 13 11.7
- Discoverer: OSO
- Discoverer Number: 129
- Components: AB
- First year: 1994
- Last year: 1999
- Observations: 2
- First position angle: 133
- Last position angle: 141
- First separation: 9.9
- Last separation: 10.8
- Mag first component: 11.43
- Mag second component: 18.5
- Spectral type: K2
- Primary proper motion RA: 63
- Primary proper motion DEC: 261
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
